Finding the Fourth Proportional to 72,083.72, 99,477.52 and 40,254.67

Step by Step Solution

1. Step 1: Write the proportion equation
   72,083.72 : 99,477.52 = 40,254.67 : x
2. Step 2: Convert to fraction form
   72,083.72/99,477.52 = 40,254.67/x
3. Step 3: Cross multiply
   72,083.72x = 99,477.52 × 40,254.67
4. Step 4: Simplify right side
   72,083.72x = 4,004,434,763.73
5. Step 5: Solve for x
   x = 4,004,434,763.73/72,083.72
6. Step 6: Final answer
   x = 55,552.55